blob: 638883e23e3a32b5fd9ea30885cd63122a117f97 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 *
9 * Communication to userspace based on kernel/printk.c
10 */
11
12#include <linux/types.h>
13#include <linux/errno.h>
14#include <linux/sched.h>
15#include <linux/kernel.h>
16#include <linux/poll.h>
17#include <linux/proc_fs.h>
18#include <linux/init.h>
19#include <linux/vmalloc.h>
20#include <linux/spinlock.h>
21#include <linux/cpu.h>
Anton Blanchardf8729e82009-05-25 20:25:49 +000022#include <linux/workqueue.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090023#include <linux/slab.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
25#include <asm/uaccess.h>
26#include <asm/io.h>
27#include <asm/rtas.h>
28#include <asm/prom.h>
29#include <asm/nvram.h>
30#include <asm/atomic.h>
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110031#include <asm/machdep.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
34static DEFINE_SPINLOCK(rtasd_log_lock);
35
Michael Ellerman541b2752008-05-08 14:27:23 +100036static DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -070037
38static char *rtas_log_buf;
39static unsigned long rtas_log_start;
40static unsigned long rtas_log_size;
41
42static int surveillance_timeout = -1;
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +000043
Linus Torvalds1da177e2005-04-16 15:20:36 -070044static unsigned int rtas_error_log_max;
45static unsigned int rtas_error_log_buffer_max;
46
Linas Vepstasa4fc3a32007-08-10 07:01:50 +100047/* RTAS service tokens */
48static unsigned int event_scan;
49static unsigned int rtas_event_scan_rate;
50
Linus Torvalds1da177e2005-04-16 15:20:36 -070051static int full_rtas_msgs = 0;
52
Linas Vepstas79c01082007-08-09 06:06:15 +100053/* Stop logging to nvram after first fatal error */
Tony Breedsa0c7ce92007-10-03 11:19:09 +100054static int logging_enabled; /* Until we initialize everything,
55 * make sure we don't try logging
56 * anything */
Linas Vepstas0f2342c2007-08-10 06:56:41 +100057static int error_log_cnt;
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
59/*
60 * Since we use 32 bit RTAS, the physical address of this must be below
61 * 4G or else bad things happen. Allocate this in the kernel data and
62 * make it big enough.
63 */
64static unsigned char logdata[RTAS_ERROR_LOG_MAX];
65
Linus Torvalds1da177e2005-04-16 15:20:36 -070066static char *rtas_type[] = {
67 "Unknown", "Retry", "TCE Error", "Internal Device Failure",
68 "Timeout", "Data Parity", "Address Parity", "Cache Parity",
69 "Address Invalid", "ECC Uncorrected", "ECC Corrupted",
70};
71
72static char *rtas_event_type(int type)
73{
74 if ((type > 0) && (type < 11))
75 return rtas_type[type];
76
77 switch (type) {
78 case RTAS_TYPE_EPOW:
79 return "EPOW";
80 case RTAS_TYPE_PLATFORM:
81 return "Platform Error";
82 case RTAS_TYPE_IO:
83 return "I/O Event";
84 case RTAS_TYPE_INFO:
85 return "Platform Information Event";
86 case RTAS_TYPE_DEALLOC:
87 return "Resource Deallocation Event";
88 case RTAS_TYPE_DUMP:
89 return "Dump Notification Event";
90 }
91
92 return rtas_type[0];
93}
94
95/* To see this info, grep RTAS /var/log/messages and each entry
96 * will be collected together with obvious begin/end.
97 * There will be a unique identifier on the begin and end lines.
98 * This will persist across reboots.
99 *
100 * format of error logs returned from RTAS:
101 * bytes (size) : contents
102 * --------------------------------------------------------
103 * 0-7 (8) : rtas_error_log
104 * 8-47 (40) : extended info
105 * 48-51 (4) : vendor id
106 * 52-1023 (vendor specific) : location code and debug data
107 */
108static void printk_log_rtas(char *buf, int len)
109{
110
111 int i,j,n = 0;
112 int perline = 16;
113 char buffer[64];
114 char * str = "RTAS event";
115
116 if (full_rtas_msgs) {
117 printk(RTAS_DEBUG "%d -------- %s begin --------\n",
118 error_log_cnt, str);
119
120 /*
121 * Print perline bytes on each line, each line will start
122 * with RTAS and a changing number, so syslogd will
123 * print lines that are otherwise the same. Separate every
124 * 4 bytes with a space.
125 */
126 for (i = 0; i < len; i++) {
127 j = i % perline;
128 if (j == 0) {
129 memset(buffer, 0, sizeof(buffer));
130 n = sprintf(buffer, "RTAS %d:", i/perline);
131 }
132
133 if ((i % 4) == 0)
134 n += sprintf(buffer+n, " ");
135
136 n += sprintf(buffer+n, "%02x", (unsigned char)buf[i]);
137
138 if (j == (perline-1))
139 printk(KERN_DEBUG "%s\n", buffer);
140 }
141 if ((i % perline) != 0)
142 printk(KERN_DEBUG "%s\n", buffer);
143
144 printk(RTAS_DEBUG "%d -------- %s end ----------\n",
145 error_log_cnt, str);
146 } else {
147 struct rtas_error_log *errlog = (struct rtas_error_log *)buf;
148
149 printk(RTAS_DEBUG "event: %d, Type: %s, Severity: %d\n",
150 error_log_cnt, rtas_event_type(errlog->type),
151 errlog->severity);
152 }
153}
154
155static int log_rtas_len(char * buf)
156{
157 int len;
158 struct rtas_error_log *err;
159
160 /* rtas fixed header */
161 len = 8;
162 err = (struct rtas_error_log *)buf;
163 if (err->extended_log_length) {
164
165 /* extended header */
166 len += err->extended_log_length;
167 }
168
Linas Vepstas4511dad2007-08-09 06:03:37 +1000169 if (rtas_error_log_max == 0)
170 rtas_error_log_max = rtas_get_error_log_max();
171
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172 if (len > rtas_error_log_max)
173 len = rtas_error_log_max;
174
175 return len;
176}
177
178/*
179 * First write to nvram, if fatal error, that is the only
180 * place we log the info. The error will be picked up
181 * on the next reboot by rtasd. If not fatal, run the
182 * method for the type of error. Currently, only RTAS
183 * errors have methods implemented, but in the future
184 * there might be a need to store data in nvram before a
185 * call to panic().
186 *
187 * XXX We write to nvram periodically, to indicate error has
188 * been written and sync'd, but there is a possibility
189 * that if we don't shutdown correctly, a duplicate error
190 * record will be created on next reboot.
191 */
192void pSeries_log_error(char *buf, unsigned int err_type, int fatal)
193{
194 unsigned long offset;
195 unsigned long s;
196 int len = 0;
197
Michael Ellermanf7ebf352008-04-24 15:13:19 +1000198 pr_debug("rtasd: logging event\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 if (buf == NULL)
200 return;
201
202 spin_lock_irqsave(&rtasd_log_lock, s);
203
204 /* get length and increase count */
205 switch (err_type & ERR_TYPE_MASK) {
206 case ERR_TYPE_RTAS_LOG:
207 len = log_rtas_len(buf);
208 if (!(err_type & ERR_FLAG_BOOT))
209 error_log_cnt++;
210 break;
211 case ERR_TYPE_KERNEL_PANIC:
212 default:
Paul E. McKenney64db4cf2008-12-18 21:55:32 +0100213 WARN_ON_ONCE(!irqs_disabled()); /* @@@ DEBUG @@@ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214 spin_unlock_irqrestore(&rtasd_log_lock, s);
215 return;
216 }
217
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000218#ifdef CONFIG_PPC64
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219 /* Write error to NVRAM */
Tony Breedsa0c7ce92007-10-03 11:19:09 +1000220 if (logging_enabled && !(err_type & ERR_FLAG_BOOT))
Linas Vepstas0f2342c2007-08-10 06:56:41 +1000221 nvram_write_error_log(buf, len, err_type, error_log_cnt);
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000222#endif /* CONFIG_PPC64 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223
224 /*
225 * rtas errors can occur during boot, and we do want to capture
226 * those somewhere, even if nvram isn't ready (why not?), and even
227 * if rtasd isn't ready. Put them into the boot log, at least.
228 */
229 if ((err_type & ERR_TYPE_MASK) == ERR_TYPE_RTAS_LOG)
230 printk_log_rtas(buf, len);
231
232 /* Check to see if we need to or have stopped logging */
Tony Breedsa0c7ce92007-10-03 11:19:09 +1000233 if (fatal || !logging_enabled) {
234 logging_enabled = 0;
Paul E. McKenney64db4cf2008-12-18 21:55:32 +0100235 WARN_ON_ONCE(!irqs_disabled()); /* @@@ DEBUG @@@ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 spin_unlock_irqrestore(&rtasd_log_lock, s);
237 return;
238 }
239
240 /* call type specific method for error */
241 switch (err_type & ERR_TYPE_MASK) {
242 case ERR_TYPE_RTAS_LOG:
243 offset = rtas_error_log_buffer_max *
244 ((rtas_log_start+rtas_log_size) & LOG_NUMBER_MASK);
245
246 /* First copy over sequence number */
247 memcpy(&rtas_log_buf[offset], (void *) &error_log_cnt, sizeof(int));
248
249 /* Second copy over error log data */
250 offset += sizeof(int);
251 memcpy(&rtas_log_buf[offset], buf, len);
252
253 if (rtas_log_size < LOG_NUMBER)
254 rtas_log_size += 1;
255 else
256 rtas_log_start += 1;
257
Paul E. McKenney64db4cf2008-12-18 21:55:32 +0100258 WARN_ON_ONCE(!irqs_disabled()); /* @@@ DEBUG @@@ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259 spin_unlock_irqrestore(&rtasd_log_lock, s);
260 wake_up_interruptible(&rtas_log_wait);
261 break;
262 case ERR_TYPE_KERNEL_PANIC:
263 default:
Paul E. McKenney64db4cf2008-12-18 21:55:32 +0100264 WARN_ON_ONCE(!irqs_disabled()); /* @@@ DEBUG @@@ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700265 spin_unlock_irqrestore(&rtasd_log_lock, s);
266 return;
267 }
268
269}
270
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271static int rtas_log_open(struct inode * inode, struct file * file)
272{
273 return 0;
274}
275
276static int rtas_log_release(struct inode * inode, struct file * file)
277{
278 return 0;
279}
280
281/* This will check if all events are logged, if they are then, we
282 * know that we can safely clear the events in NVRAM.
283 * Next we'll sit and wait for something else to log.
284 */
285static ssize_t rtas_log_read(struct file * file, char __user * buf,
286 size_t count, loff_t *ppos)
287{
288 int error;
289 char *tmp;
290 unsigned long s;
291 unsigned long offset;
292
293 if (!buf || count < rtas_error_log_buffer_max)
294 return -EINVAL;
295
296 count = rtas_error_log_buffer_max;
297
298 if (!access_ok(VERIFY_WRITE, buf, count))
299 return -EFAULT;
300
301 tmp = kmalloc(count, GFP_KERNEL);
302 if (!tmp)
303 return -ENOMEM;
304
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305 spin_lock_irqsave(&rtasd_log_lock, s);
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000306
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307 /* if it's 0, then we know we got the last one (the one in NVRAM) */
Vitaly Mayatskikh76c31f22008-09-28 23:24:33 +0000308 while (rtas_log_size == 0) {
309 if (file->f_flags & O_NONBLOCK) {
310 spin_unlock_irqrestore(&rtasd_log_lock, s);
311 error = -EAGAIN;
312 goto out;
313 }
314
315 if (!logging_enabled) {
316 spin_unlock_irqrestore(&rtasd_log_lock, s);
317 error = -ENODATA;
318 goto out;
319 }
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000320#ifdef CONFIG_PPC64
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321 nvram_clear_error_log();
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000322#endif /* CONFIG_PPC64 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700323
Vitaly Mayatskikh76c31f22008-09-28 23:24:33 +0000324 spin_unlock_irqrestore(&rtasd_log_lock, s);
325 error = wait_event_interruptible(rtas_log_wait, rtas_log_size);
326 if (error)
327 goto out;
328 spin_lock_irqsave(&rtasd_log_lock, s);
329 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331 offset = rtas_error_log_buffer_max * (rtas_log_start & LOG_NUMBER_MASK);
332 memcpy(tmp, &rtas_log_buf[offset], count);
333
334 rtas_log_start += 1;
335 rtas_log_size -= 1;
336 spin_unlock_irqrestore(&rtasd_log_lock, s);
337
338 error = copy_to_user(buf, tmp, count) ? -EFAULT : count;
339out:
340 kfree(tmp);
341 return error;
342}
343
344static unsigned int rtas_log_poll(struct file *file, poll_table * wait)
345{
346 poll_wait(file, &rtas_log_wait, wait);
347 if (rtas_log_size)
348 return POLLIN | POLLRDNORM;
349 return 0;
350}
351
Michael Ellerman541b2752008-05-08 14:27:23 +1000352static const struct file_operations proc_rtas_log_operations = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700353 .read = rtas_log_read,
354 .poll = rtas_log_poll,
355 .open = rtas_log_open,
356 .release = rtas_log_release,
357};
358
359static int enable_surveillance(int timeout)
360{
361 int error;
362
363 error = rtas_set_indicator(SURVEILLANCE_TOKEN, 0, timeout);
364
365 if (error == 0)
366 return 0;
367
368 if (error == -EINVAL) {
Olof Johansson90ddfeb2006-04-12 15:28:13 -0500369 printk(KERN_DEBUG "rtasd: surveillance not supported\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700370 return 0;
371 }
372
373 printk(KERN_ERR "rtasd: could not update surveillance\n");
374 return -1;
375}
376
Linas Vepstasa4fc3a32007-08-10 07:01:50 +1000377static void do_event_scan(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378{
379 int error;
380 do {
381 memset(logdata, 0, rtas_error_log_max);
382 error = rtas_call(event_scan, 4, 1, NULL,
383 RTAS_EVENT_SCAN_ALL_EVENTS, 0,
384 __pa(logdata), rtas_error_log_max);
385 if (error == -1) {
386 printk(KERN_ERR "event-scan failed\n");
387 break;
388 }
389
390 if (error == 0)
391 pSeries_log_error(logdata, ERR_TYPE_RTAS_LOG, 0);
392
393 } while(error == 0);
394}
395
Anton Blanchardf8729e82009-05-25 20:25:49 +0000396static void rtas_event_scan(struct work_struct *w);
397DECLARE_DELAYED_WORK(event_scan_work, rtas_event_scan);
398
399/*
400 * Delay should be at least one second since some machines have problems if
401 * we call event-scan too quickly.
402 */
403static unsigned long event_scan_delay = 1*HZ;
404static int first_pass = 1;
405
406static void rtas_event_scan(struct work_struct *w)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700407{
Anton Blanchardf8729e82009-05-25 20:25:49 +0000408 unsigned int cpu;
409
410 do_event_scan();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411
Gautham R Shenoy86ef5c92008-01-25 21:08:02 +0100412 get_online_cpus();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700413
Anton Blanchardd5f86fe2010-04-26 15:32:33 +0000414 cpu = cpumask_next(smp_processor_id(), cpu_online_mask);
415 if (cpu >= nr_cpu_ids) {
416 cpu = cpumask_first(cpu_online_mask);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417
Anton Blanchardf8729e82009-05-25 20:25:49 +0000418 if (first_pass) {
419 first_pass = 0;
420 event_scan_delay = 30*HZ/rtas_event_scan_rate;
421
422 if (surveillance_timeout != -1) {
423 pr_debug("rtasd: enabling surveillance\n");
424 enable_surveillance(surveillance_timeout);
425 pr_debug("rtasd: surveillance enabled\n");
426 }
427 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428 }
Anton Blanchardf8729e82009-05-25 20:25:49 +0000429
430 schedule_delayed_work_on(cpu, &event_scan_work,
431 __round_jiffies_relative(event_scan_delay, cpu));
432
Gautham R Shenoy86ef5c92008-01-25 21:08:02 +0100433 put_online_cpus();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434}
435
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000436#ifdef CONFIG_PPC64
437static void retreive_nvram_error_log(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438{
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000439 unsigned int err_type ;
440 int rc ;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700441
442 /* See if we have any error stored in NVRAM */
443 memset(logdata, 0, rtas_error_log_max);
Linas Vepstas0f2342c2007-08-10 06:56:41 +1000444 rc = nvram_read_error_log(logdata, rtas_error_log_max,
445 &err_type, &error_log_cnt);
Tony Breedsa0c7ce92007-10-03 11:19:09 +1000446 /* We can use rtas_log_buf now */
447 logging_enabled = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448 if (!rc) {
449 if (err_type != ERR_FLAG_ALREADY_LOGGED) {
450 pSeries_log_error(logdata, err_type | ERR_FLAG_BOOT, 0);
451 }
452 }
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000453}
454#else /* CONFIG_PPC64 */
455static void retreive_nvram_error_log(void)
456{
457}
458#endif /* CONFIG_PPC64 */
459
460static void start_event_scan(void)
461{
462 printk(KERN_DEBUG "RTAS daemon started\n");
463 pr_debug("rtasd: will sleep for %d milliseconds\n",
464 (30000 / rtas_event_scan_rate));
465
466 /* Retreive errors from nvram if any */
467 retreive_nvram_error_log();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468
Anton Blanchardd5f86fe2010-04-26 15:32:33 +0000469 schedule_delayed_work_on(cpumask_first(cpu_online_mask),
470 &event_scan_work, event_scan_delay);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700471}
472
473static int __init rtas_init(void)
474{
475 struct proc_dir_entry *entry;
476
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000477 if (!machine_is(pseries) && !machine_is(chrp))
Paul Mackerras799d6042005-11-10 13:37:51 +1100478 return 0;
479
480 /* No RTAS */
Linas Vepstasa4fc3a32007-08-10 07:01:50 +1000481 event_scan = rtas_token("event-scan");
482 if (event_scan == RTAS_UNKNOWN_SERVICE) {
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000483 printk(KERN_INFO "rtasd: No event-scan on system\n");
Anton Blanchard49c28e42006-04-02 20:18:32 +1000484 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485 }
486
Linas Vepstas4511dad2007-08-09 06:03:37 +1000487 rtas_event_scan_rate = rtas_token("rtas-event-scan-rate");
488 if (rtas_event_scan_rate == RTAS_UNKNOWN_SERVICE) {
489 printk(KERN_ERR "rtasd: no rtas-event-scan-rate on system\n");
490 return -ENODEV;
491 }
492
Michael Ellerman73586502010-05-19 02:12:32 +0000493 if (!rtas_event_scan_rate) {
494 /* Broken firmware: take a rate of zero to mean don't scan */
495 printk(KERN_DEBUG "rtasd: scan rate is 0, not scanning\n");
496 return 0;
497 }
498
Linas Vepstas4511dad2007-08-09 06:03:37 +1000499 /* Make room for the sequence number */
500 rtas_error_log_max = rtas_get_error_log_max();
501 rtas_error_log_buffer_max = rtas_error_log_max + sizeof(int);
502
503 rtas_log_buf = vmalloc(rtas_error_log_buffer_max*LOG_NUMBER);
504 if (!rtas_log_buf) {
505 printk(KERN_ERR "rtasd: no memory\n");
506 return -ENOMEM;
507 }
508
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000509 entry = proc_create("powerpc/rtas/error_log", S_IRUSR, NULL,
Denis V. Lunev66747132008-04-29 01:02:26 -0700510 &proc_rtas_log_operations);
511 if (!entry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512 printk(KERN_ERR "Failed to create error_log proc entry\n");
513
Anton Blanchardf8729e82009-05-25 20:25:49 +0000514 start_event_scan();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515
516 return 0;
517}
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000518__initcall(rtas_init);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519
520static int __init surveillance_setup(char *str)
521{
522 int i;
523
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000524 /* We only do surveillance on pseries */
525 if (!machine_is(pseries))
526 return 0;
527
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528 if (get_option(&str,&i)) {
529 if (i >= 0 && i <= 255)
530 surveillance_timeout = i;
531 }
532
533 return 1;
534}
Benjamin Herrenschmidt3d541c42009-09-24 19:30:05 +0000535__setup("surveillance=", surveillance_setup);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700536
537static int __init rtasmsgs_setup(char *str)
538{
539 if (strcmp(str, "on") == 0)
540 full_rtas_msgs = 1;
541 else if (strcmp(str, "off") == 0)
542 full_rtas_msgs = 0;
543
544 return 1;
545}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700546__setup("rtasmsgs=", rtasmsgs_setup);